using System;

using System.Text;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        var hash = GenerateHash("973", "Woodland Drive", "2804201601");

        Console.WriteLine(hash);

    }

    private static string GenerateHash(string streetNumber, string streetName, string key)

    {

        var date = DateTime.UtcNow.ToString("yyyyMMdd");

        byte[] data = Encoding.ASCII.GetBytes(date + key + streetNumber + streetName);

        SHA1 sha = new SHA1CryptoServiceProvider();

        var localHash = BitConverter.ToString(sha.ComputeHash(data));

        return localHash.Replace("-", "");

    }

}